The architecture and street layout, particularly the overhead tram wires and the specific style of road signs, strongly suggest a city in the Baltic region, likely Riga, Latvia. The "No Stopping" sign and the blue directional signs are consistent with European standards used in this area. The buildings have a distinct late 19th or early 20th-century European urban aesthetic. I suspect this is in the center of Riga. I am fairly confident in this assessment.

then: guess